Almost all of them have European surnames, but only ~20% of them have a European ancestor. If you are white, chances are good one of your ancestors came from France, or used a French surname to fool the authorities.
1 AC, or alternating current means the electrical current is alternating directions in a repetitive pattern.  AC is created by generators in power plants, and other sources. This AC current is delivered to our homes and businesses by the power lines we see everywhere.
1 AC, or alternating current means the electrical current is alternating directions in a repetitive pattern. 2  AC is created by generators in power plants, and other sources. 3  This AC current is delivered to our homes and businesses by the power lines we see everywhere.